Komatsu America Corp., Vernon Hills, Ill., has introduced its new PC300LC-7 and PC400LC-7 hydraulic excavators. The powerful PC300LC-7 has a flywheel horsepower of 246 and an operating weight of 73,432 to 77,298 lb, while the larger PC400LC-7 has a flywheel horsepower of 345 and an operating weight between 95,901 and 101,684 lb. Both are equipped with the latest Komtrax technology, which sends machine operating information to a secure website utilizing wireless technology.